Received: (from root@localhost) in headers

[Albert SakaL]

hi , please i have a problem on my emails , i can't make this line disappear ,
Received: (from root@localhost)

this is my header

Return-Path: <ro...@mydomain.com>
Received: from mydomain.com (notifications.mydomain.com [IP])
(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
(No client certificate requested)
by mtaig-aag01.mx.aol.com (Internet Inbound) with ESMTPS id 158F070000099
for <us...@domain.com>; Fri, 20 Mar 2015 20:38:11 -0400 (EDT)
Received: from mydomain.com (localhost [127.0.0.1])
by mydomain.com (8.14.4/8.14.4) with ESMTP id t2L0cKxs004558
(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO)
for <us...@domain.com>; Sat, 21 Mar 2015 00:38:20 GMT
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mydomain.com;
s=default; t=1426898300;
bh=dffI8L7MVSf0FHHD+o4TibMBcWAoBRr3BhwR924ptxc=;
h=From:Date:To:Subject;
b=U/2ieJFNZFYYVkKljJpYPOlI7T3yBfTjnRDDUNF7gVnEmT7imm+nEvoGcIm1hPJ4U
CJUAtKBghc3Ou43oLpfstPQ9TZXd0LXfBM5ZzH/6HYgdyp1Nn6rHRcbqnfk0YYHd7l
jH98UE3NNZX9E4wYCURON74r1PHKamsjQ9qK9ABs=
Received: (from root@localhost)
by mydomain.com (8.14.4/8.14.4/Submit) id t2L0cK6W004557
for us...@aol.com; Sat, 21 Mar 2015 00:38:20 GMT

also i can see that i have 2 message ids : id t2L0cK6W004557 / t2L0cKxs004558
this mean the email rooted by 2 relays and i want to make one received parameter in the header

and this make my application sendmailanalyser to count 2 emails sent to a specific recipient

thanks amm , i wish someone can help me on that